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Finding the Fourth Proportional to 519,226.40, 777,527.40 and 414,250.40

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Solution

The fourth proportional to 519,226.40, 777,527.40 and 414,250.40 is: 620,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,226.40 : 777,527.40 = 414,250.40 : x
  2. Step 2: Convert to fraction form
    519,226.40/777,527.40 = 414,250.40/x
  3. Step 3: Cross multiply
    519,226.40x = 777,527.40 × 414,250.40
  4. Step 4: Simplify right side
    519,226.40x = 322,091,036,460.96
  5. Step 5: Solve for x
    x = 322,091,036,460.96/519,226.40
  6. Step 6: Final answer
    x = 620,328.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.